Marcos Dias Alvim

Responsible for long term mine planning and technical services for base metals south atlantic region that includes 3 operations with an annual production of approx. 300kt of copper, 30kt of nickel and 250koz of gold. Acting as a regional leader and QP for mineral resources and mineral reserves public disclosures.

Responsible to lead a team of 245 own employees and 200 contractors for geological drilling activities, with 5 direct manager reports that includes the Mineral Resource Manager, Long Term Mine Planning Manager, Mineral Processing Manager, Laboratories Manager and Operational readiness Manager.

Main accountabilities includes geological drilling, ore modelling, mineral resource and reserves estimation and disclosure, production plan for the budget, development of new ore processing routes, optimization of metallurgical recovery, all chemical and physical analyses carried out in the units.

Responsible for a successful near mine exploration programs and mine planning optimization enabling an addition of about 400Mt of ore to the mineral resources along last years. Also accountable for technical improvements like review of ore modelling and mineral resources estimation, testing new reagents to increase metallurgical recoveries, developing alternate and growth mine plans, generating value and increasing overall NPV of the operations in more than 700 MUSD.

Responsible for the integrated management of near mine / infill drilling activities, geological

modeling and estimation of mineral resources and mineral reserves for the South Atlantic base metals operations, which include the Salobo, Sossego and Onça Puma units and adjacent projects. Regional Qualified Person for the south atlantic operations, working on the consolidation and approval of the information generated for the preparation of the MRMR, 20-F and Technical Reports reports.

Conducting the LoOP and master plan of operations, as well as the five-year plans used to prepare the budget and monthly rolling plans for 24 months (M+24). Leader in the development of projects and feasibility studies focused on reducing greenhouse gas emissions, using clean energy technologies such as Trolley Assist and Rail Veyor.

As the most expressive results, it was responsible for the increase of approximately 300 MUSD in the NPV of the Salobo project (3.6 to 3.9 BUSD), driven by the revision of the geological model and optimization in the multi-year mining sequencing. It was also responsible for adding approximately 380 MUSD to the Cristalino project's NPV (20 to 400 MUSD) through the revision of the geological model with an increase in the copper reserve and the incorporation of hematitic iron ore available as pre-stripping. It also identified opportunities to raise approximately 450 Mt of additional ore at Salobo, Alemão and Mata targets.

Responsible for the management of geology, mine planning, geotechnics and exploration group, leading a strong team of 100 people that includes mine engineers, surveyors, geologists, technicians and a directly reporting of two area managers.

Accountable for the development and estimation of Mineral Resources and Reserves and for the development of geometallurgical studies increasing the value of ore exploitation.

Development of Greenfield and Brownfield exploration programs managing and directing 4 owner drill rigs looking the achievement of short and long term targets. Responsible for economical evaluations, trade off and sensitivity analysis.

Responsible for the management of geology, mine planning, mine operations, process plant and mobile, mechanical and electrical maintenance areas leading a strong team of about 200 people. Successfully developed operational planning, improvements and practical solutions in a record time. Acting as deputy GM during the break of site General Manager.

Responsible for the delivery of a strong safety performance, optimized mining procedures and technical solutions for cost reduction and better operations productivity. Responsible for management and control of operational costs of about USD 50 million per year.

Responsible for growth capital projects and mergers and acquisitions activities of Jaguar Mining, acted as Qualified Person (QP) for scientific and technical information contained in public disclosures.

Management of projects portfolio which includes the implementation of an ore sorting plant and development of tailings and waste facilities alternatives.

Responsible for the planning, development and implementation of exploration program at Gurupi Project in Northeast portion of Brazil. Responsible for hiring and building the team for the project, implementation of exploration procedures for drilling, mapping and data collection. Technical support for underground operations and for Mineral Resources and Reserves estimation.

Responsible for trade off / economic analysis and asset optimization.

Responsible for estimation of Mineral Resources and Reserves, development of pre-feasibility and feasibility studies, due diligence of mining projects and implementation / development / technical support of DESWIK mine planning software.

General support for preparation of technical and commercial proposals, monitoring of project scope and schedule and implementation of best practices in project management. Reporting directly to Managing Director.

Responsible for the integrated mine management - geology, mine planning (short, medium and long term), hydrogeology, geotechnical, and mine operations leading a strong team of about 300 employees including engineers, geologists, technicians, surveyors, operators and contractors.

Responsible for budgeting and cost control of mine department, managing operating expenditures (OPEX) of about US$ 30 million/year and capital expenditures (CAPEX) in the order of US$ 10million/year. Management and administration of several contracts, including a loading and hauling contract with costs up to USD 2 million per month.

Responsible for the implementation of best mining practices with selection of appropriate fleet reaching a significant increase in mine production of approximately 200% over the previous years.

Reporting directly to the General Manager of Operations and acted as Interim GM during the
definitive hiring for this position.

Responsible for the management of mine technical services group - geology, mine planning (short, medium and long term), hydrogeology and geotechnical leading a strong team of about 50
employees including engineers, geologists, technicians, surveyors, operators and contractors.

Responsible for the management of bankable feasibility and pre-feasibility studies, as well for the
development of Mineral Reserves according NI 43-101 code and conduction of internal and external
technical audits and due diligence.

Management of sampling, grade control, blending and reconciliation programs. Implementation of geological procedures and geometallurgy practices on site increasing value to orebody and resources management. Reporting directly to the General Manager.

Responsible for the coordination of technical services group, leading a team of about 26 people including, engineers, geologists, technicians, operators and samplers. Accountable for LOM, strategic and business plans, economic evaluations, trade-off studies and risk management.

Management of multidisciplinary technical studies for the assessment of more economical ore process route through the revaluation of metallurgical testing, cost profile, geological parameters and LOM plan.

Responsible for budgeting and cost control of geology, short term sampling, brownfield exploration, survey and mine planning areas. Reporting directly to Operations Manager.

Responsible for geology and grade control, acting focused in short term sampling, face mapping,
geological modelling, grade estimation and reconciliation. Coordination of a team with about 20
people including a geologist, geology technicians, operators and samplers. Responsible to support
Brownfield exploration programs with technical advice and coordination with the mine team.